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Subject[PATCH] threaded-irqs: fix comment to say IRQ_WAKE_THREAD

Trying to implement a driver to use threaded irqs, I was confused when the
return value to use that was described in the comment above
request_threaded_irq was not defined.

Turns out that the enum is IRQ_WAKE_THREAD where as the comment said
IRQ_THREAD_WAKE.

[Impact: do not confuse developers with wrong comments ]

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 2734eca..eb47f8b 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -851,7 +851,7 @@ EXPORT_SYMBOL(free_irq);
* still called in hard interrupt context and has to check
* whether the interrupt originates from the device. If yes it
* needs to disable the interrupt on the device and return
- * IRQ_THREAD_WAKE which will wake up the handler thread and run
+ * IRQ_WAKE_THREAD which will wake up the handler thread and run
* @thread_fn. This split handler design is necessary to support
* shared interrupts.
*

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